3D performance issues, lagging


All aspects of 3D rendering performance depend on hardware configuration and some software settings. Large 3D scenes require both Processing power and adequate Graphical capabilities of the computer.

1.    Using 64-bit versions of our tools will improve big projects’ performance by using more available system RAM. All 32-bit browsers are limited to 2GB of RAM and may also degrade your published scene performance (see here for more details)

2.    Check Cortona3D Viewer renderer options.

  • In RapidManual (or RapidCatalog, or RapidLearning) go to Tools > Options > 3D View > Renderer and make sure DirectX is selected. To improve your 3D viewing experience enable Real-Time Anti-aliasing (requires powerful graphics card).
  • In RapidManual (or RapidCatalog, or RapidLearning) go to Tools > Options > 3D View > Renderer > Advanced enable "Phong lighting model" by ticking the box. This option transfers part of rendering onto the graphical processing unit improving both speed and quality in case of powerful graphical solution of the machine.

3.   Check your 3D data size in File > Project Information. Cortona3D tools operate in meters. "Visible 3D geometry size" represents current size of the assembly's bounding box. It may also impact 3D scene performance. Your 3D size should reflect real size of the model. Measurement units in your Import Plugin Settings should be changed to get correct scaling of the model (select Import Plugin and click Settings, e.g. “Convert millimeters to meters” = 0,001 multiplier).